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# -*- encoding: UTF-8
from __future__ import unicode_literals
import io
import os
import six
import tarfile
import tempfile
import unittest
from fs import tarfs
from fs.compress import write_tar
from fs.enums import ResourceType
from fs.errors import NoURL
from fs.opener import open_fs
from fs.opener.errors import NotWriteable
from fs.test import FSTestCases
from .test_archives import ArchiveTestCases
try:
from pytest import mark
except ImportError:
from . import mark
class TestWriteReadTarFS(unittest.TestCase):
def setUp(self):
fh, self._temp_path = tempfile.mkstemp()
os.close(fh)
def tearDown(self):
os.remove(self._temp_path)
def test_unicode_paths(self):
# https://github.com/PyFilesystem/pyfilesystem2/issues/135
with tarfs.TarFS(self._temp_path, write=True) as tar_fs:
tar_fs.writetext("Файл", "some content")
with tarfs.TarFS(self._temp_path) as tar_fs:
paths = list(tar_fs.walk.files())
for path in paths:
self.assertIsInstance(path, six.text_type)
with tar_fs.openbin(path) as f:
f.read()
class TestWriteTarFS(FSTestCases, unittest.TestCase):
"""
Test TarFS implementation.
When writing, a TarFS is essentially a TempFS.
"""
def make_fs(self):
fh, _tar_file = tempfile.mkstemp()
os.close(fh)
fs = tarfs.TarFS(_tar_file, write=True)
fs._tar_file = _tar_file
return fs
def destroy_fs(self, fs):
fs.close()
os.remove(fs._tar_file)
del fs._tar_file
class TestWriteTarFSToFileobj(FSTestCases, unittest.TestCase):
"""
Test TarFS implementation.
When writing, a TarFS is essentially a TempFS.
"""
def make_fs(self):
_tar_file = six.BytesIO()
fs = tarfs.TarFS(_tar_file, write=True)
fs._tar_file = _tar_file
return fs
def destroy_fs(self, fs):
fs.close()
del fs._tar_file
class TestWriteGZippedTarFS(FSTestCases, unittest.TestCase):
def make_fs(self):
fh, _tar_file = tempfile.mkstemp()
os.close(fh)
fs = tarfs.TarFS(_tar_file, write=True, compression="gz")
fs._tar_file = _tar_file
return fs
def destroy_fs(self, fs):
fs.close()
os.remove(fs._tar_file)
del fs._tar_file
@mark.slow
@unittest.skipIf(six.PY2, "Python2 does not support LZMA")
class TestWriteXZippedTarFS(FSTestCases, unittest.TestCase):
def make_fs(self):
fh, _tar_file = tempfile.mkstemp()
os.close(fh)
fs = tarfs.TarFS(_tar_file, write=True, compression="xz")
fs._tar_file = _tar_file
return fs
def destroy_fs(self, fs):
fs.close()
self.assert_is_xz(fs)
os.remove(fs._tar_file)
del fs._tar_file
def assert_is_xz(self, fs):
try:
tarfile.open(fs._tar_file, "r:xz")
except tarfile.ReadError:
self.fail("{} is not a valid xz archive".format(fs._tar_file))
for other_comps in ["bz2", "gz", ""]:
with self.assertRaises(tarfile.ReadError):
tarfile.open(fs._tar_file, "r:{}".format(other_comps))
@mark.slow
class TestWriteBZippedTarFS(FSTestCases, unittest.TestCase):
def make_fs(self):
fh, _tar_file = tempfile.mkstemp()
os.close(fh)
fs = tarfs.TarFS(_tar_file, write=True, compression="bz2")
fs._tar_file = _tar_file
return fs
def destroy_fs(self, fs):
fs.close()
self.assert_is_bzip(fs)
os.remove(fs._tar_file)
del fs._tar_file
def assert_is_bzip(self, fs):
try:
tarfile.open(fs._tar_file, "r:bz2")
except tarfile.ReadError:
self.fail("{} is not a valid bz2 archive".format(fs._tar_file))
for other_comps in ["gz", ""]:
with self.assertRaises(tarfile.ReadError):
tarfile.open(fs._tar_file, "r:{}".format(other_comps))
class TestReadTarFS(ArchiveTestCases, unittest.TestCase):
"""
Test Reading tar files.
"""
def compress(self, fs):
fh, self._temp_path = tempfile.mkstemp()
os.close(fh)
write_tar(fs, self._temp_path)
def load_archive(self):
return tarfs.TarFS(self._temp_path)
def remove_archive(self):
os.remove(self._temp_path)
def test_read_from_fileobject(self):
try:
tarfs.TarFS(open(self._temp_path, "rb"))
except Exception:
self.fail("Couldn't open tarfs from fileobject")
def test_read_from_filename(self):
try:
tarfs.TarFS(self._temp_path)
except Exception:
self.fail("Couldn't open tarfs from filename")
def test_read_non_existent_file(self):
fs = tarfs.TarFS(open(self._temp_path, "rb"))
# it has been very difficult to catch exception in __del__()
del fs._tar
try:
fs.close()
except AttributeError:
self.fail("Could not close tar fs properly")
except Exception:
self.fail("Strange exception in closing fs")
def test_getinfo(self):
super(TestReadTarFS, self).test_getinfo()
top = self.fs.getinfo("top.txt", ["tar"])
self.assertTrue(top.get("tar", "is_file"))
def test_geturl_for_fs(self):
test_fixtures = [
# test_file, expected
["foo/bar/egg/foofoo", "foo/bar/egg/foofoo"],
["foo/bar egg/foo foo", "foo/bar%20egg/foo%20foo"],
]
tar_file_path = self._temp_path.replace("\\", "/")
for test_file, expected_file in test_fixtures:
expected = "tar://{tar_file_path}!/{file_inside_tar}".format(
tar_file_path=tar_file_path, file_inside_tar=expected_file
)
self.assertEqual(self.fs.geturl(test_file, purpose="fs"), expected)
def test_geturl_for_fs_but_file_is_binaryio(self):
self.fs._file = six.BytesIO()
self.assertRaises(NoURL, self.fs.geturl, "test", "fs")
def test_geturl_for_download(self):
test_file = "foo/bar/egg/foofoo"
with self.assertRaises(NoURL):
self.fs.geturl(test_file)
class TestBrokenPaths(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.tmpfs = open_fs("temp://tarfstest")
@classmethod
def tearDownClass(cls):
cls.tmpfs.close()
def setUp(self):
self.tempfile = self.tmpfs.open("test.tar", "wb+")
with tarfile.open(mode="w", fileobj=self.tempfile) as tf:
tf.addfile(tarfile.TarInfo("."), io.StringIO())
tf.addfile(tarfile.TarInfo("../foo.txt"), io.StringIO())
self.tempfile.seek(0)
self.fs = tarfs.TarFS(self.tempfile)
def tearDown(self):
self.fs.close()
self.tempfile.close()
def test_listdir(self):
self.assertEqual(self.fs.listdir("/"), [])
class TestImplicitDirectories(unittest.TestCase):
"""Regression tests for #160."""
@classmethod
def setUpClass(cls):
cls.tmpfs = open_fs("temp://")
@classmethod
def tearDownClass(cls):
cls.tmpfs.close()
def setUp(self):
self.tempfile = self.tmpfs.open("test.tar", "wb+")
with tarfile.open(mode="w", fileobj=self.tempfile) as tf:
tf.addfile(tarfile.TarInfo("foo/bar/baz/spam.txt"), io.StringIO())
tf.addfile(tarfile.TarInfo("./foo/eggs.bin"), io.StringIO())
tf.addfile(tarfile.TarInfo("./foo/yolk/beans.txt"), io.StringIO())
info = tarfile.TarInfo("foo/yolk")
info.type = tarfile.DIRTYPE
tf.addfile(info, io.BytesIO())
self.tempfile.seek(0)
self.fs = tarfs.TarFS(self.tempfile)
def tearDown(self):
self.fs.close()
self.tempfile.close()
def test_isfile(self):
self.assertFalse(self.fs.isfile("foo"))
self.assertFalse(self.fs.isfile("foo/bar"))
self.assertFalse(self.fs.isfile("foo/bar/baz"))
self.assertTrue(self.fs.isfile("foo/bar/baz/spam.txt"))
self.assertTrue(self.fs.isfile("foo/yolk/beans.txt"))
self.assertTrue(self.fs.isfile("foo/eggs.bin"))
self.assertFalse(self.fs.isfile("foo/eggs.bin/baz"))
def test_isdir(self):
self.assertTrue(self.fs.isdir("foo"))
self.assertTrue(self.fs.isdir("foo/yolk"))
self.assertTrue(self.fs.isdir("foo/bar"))
self.assertTrue(self.fs.isdir("foo/bar/baz"))
self.assertFalse(self.fs.isdir("foo/bar/baz/spam.txt"))
self.assertFalse(self.fs.isdir("foo/eggs.bin"))
self.assertFalse(self.fs.isdir("foo/eggs.bin/baz"))
self.assertFalse(self.fs.isdir("foo/yolk/beans.txt"))
def test_listdir(self):
self.assertEqual(sorted(self.fs.listdir("foo")), ["bar", "eggs.bin", "yolk"])
self.assertEqual(self.fs.listdir("foo/bar"), ["baz"])
self.assertEqual(self.fs.listdir("foo/bar/baz"), ["spam.txt"])
self.assertEqual(self.fs.listdir("foo/yolk"), ["beans.txt"])
def test_getinfo(self):
info = self.fs.getdetails("foo/bar/baz")
self.assertEqual(info.name, "baz")
self.assertEqual(info.size, 0)
self.assertIs(info.type, ResourceType.directory)
info = self.fs.getdetails("foo")
self.assertEqual(info.name, "foo")
self.assertEqual(info.size, 0)
self.assertIs(info.type, ResourceType.directory)
class TestReadTarFSMem(TestReadTarFS):
def make_source_fs(self):
return open_fs("mem://")
class TestOpener(unittest.TestCase):
def test_not_writeable(self):
with self.assertRaises(NotWriteable):
open_fs("tar://foo.zip", writeable=True)
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